a bag contains 9 marbles: 2 are green, 2 are red, and 5 are blue. justin chooses a marble at
random, and without putting it back, chooses another one at random. what is the probability that the first marble is green and the second is red?

1. the wheeling bridge in west virginia is about 307 meters long. if you walk with a stride of about meter, about how many steps would it take you to cross this suspension bridge?

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

9.4.34  question   to estimate the height of a stone  figure, an observer holds a small square up to her eyes and walks backward from the figure. she stops when the bottom of the figure aligns with the bottom edge of the  square, and when the top of the figure aligns with the top edge of the square. her eye level is 1.811.81 m from the ground. she is 3.703.70 m from the figure. what is the height of the figure to the nearest hundredth of a  meter?